Stock Options, Other Stock Awards and Warrants - Total Compensation Expense Related to Stock Options, Restricted Stock Units and Stock Performance Awards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 25, 2022	Dec. 26, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	$ 71.9	$ 81.3	$ 97.8
Income tax benefit	9.2	9.0	10.2
Allocated share-based compensation expense, net of tax	62.7	72.3	87.6
Stock performance awards
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	15.8	9.6	26.9
Restricted stock units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	47.8	60.7	50.9
Stock options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	7.0	8.9	18.4
Stock Options Non Employee
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	1.3	2.1	1.6
Former CEO | Stock performance awards
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense		7.6
Product development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	7.0	4.8	3.7
Selling, Distribution and Administration
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Allocated share-based compensation (income) expense	$ 64.9	$ 76.5	$ 94.1